<template>
     <div>   
        <div class="header">
            <div class="content-wrapper">
                <div class="avatar">
                    <img width="64" height="64" :src="seller.avatar"/>
                </div>
                <div class="content">
                    <div class="title">
                        <span class="brand"></span>
                        <span class="name">{{seller.name}}</span>
                    </div>
                    <div class="description">
                        {{seller.description}}/{{seller.deliveryTime}}分钟送达
                    </div>
                    <div class="support" v-if="seller.supports">
                        <span class="icon" :class="classMap[seller.supports[0].type]"></span>
                        <span class="text">{{seller.supports[0].description}}</span>
                    </div>
                </div>
                <div v-if="seller.supports" class="support-count" @click="showDetail">
                    <span class="count">{{seller.supports.length}}个</span>
                    <i class="icon-keyboard_arrow_right"></i>
                </div>
            </div>
            <div class="bulletin-wrapper" @click="showDetail">
                <span class="bulletin-title"></span><span class="bulletin-text">{{seller.bulletin}}</span>                
                <i class="icon-keyboard_arrow_right"></i>
            </div>
            <div class="background">
                <img :src="seller.avatar" width="100%" height="100%" />
            </div>
            <transition>
                <div class="detail" v-show="detailShow">
                    <!--Sticky footers-->
                    <div class="detail-wrapper clearfix">
                        <div class="detail-main">
                        <h1 class="name">{{seller.name}}</h1>
                        <div class="star-wrapper">
                            <star :size="48" :score="seller.score"></star> 
                        </div>
                        <div class="title">
                            <div class="line"></div>
                            <div class="text">优惠信息</div>
                            <div class="line"></div>
                        </div>
                        <ul v-if="seller.supports" class="supports">
                            <li class="support-item" v-for="(item,index) in seller.supports" :key="index">
                                <span class="icon" :class="classMap[seller.supports[index].type]"></span>
                                <span class="text">{{seller.supports[index].description}}</span>
                            </li>
                        </ul>
                        <div class="title">
                            <div class="line"></div>
                            <div class="text">商家公告</div>
                            <div class="line"></div>
                        </div>
                        <div class="bulletin">
                            <p class="content">{{seller.bulletin}}</p>
                        </div>                                 
                        </div>
                    </div>
                    <div class="detail-close" @click="hideDetail">
                        <i class="icon-close"></i>
                    </div>
                </div>
            </transition> 
        </div>  
        <div class="tab border-bottom">    
            <div class="tab-item"><router-link to="goods" tag="a">商品</router-link></div>
            <div class="tab-item"><router-link to="ratings" tag="a">评论</router-link></div>
            <div class="tab-item"><router-link to="seller" tag="a">商家</router-link></div>
        </div>        
    </div> 
</template>
<script>
import Star from 'components/star/Star'
export default {
   name:'Header',
   props:{
       seller:{
           type:Object
       }
   },
   data(){
       return {
           detailShow:false,
       }
   }, 
   methods:{
       showDetail(){
           this.detailShow = true;
       },
       hideDetail(){
           this.detailShow = false;
       }
   }, 
   created(){
       this.classMap = ['decrease','discount','special','invoice','guarantee'];
   },
   components:{
       Star
   }
}
</script>
<style lang="less" scoped>
@import '../../assets/css/mixin.less';//这里面不能用定义路径，只能用相对路径
.tab{
    display: flex;
    width: 100%;
    height: 40px;
    line-height: 40px;
}
.tab-item{
    flex: 1;
    text-align: center;
}
.tab-item > a{
    display: block;
    text-decoration: none;
    font-size: 14px;
    color:rgb(77,85,93);
} 
.tab-item > a.router-link-exact-active{
      color:rgb(240,20,20)
}
//头部部分
.header{
    position: relative;//图片背景定位
    color:#fff;
    overflow: hidden;
    background:rgba(7, 17,27,0.5);//rgba半透明效果
}
.content-wrapper{
    position: relative;//support-count做绝对定位
    padding:24px 12px 18px 24px;
    font-size: 0;
    .avatar{
        display: inline-block;
        vertical-align: top;
    }
    .avatar img{
        border-radius: 2px;
    }
    .content{
        display: inline-block;
        margin-left: 16px;
    }
    .title{
        margin: 2px 0 8px 0;
    }
    .brand{
        display: inline-block;
        vertical-align: top;
        width: 30px;
        height: 18px; 
        .bgimage("brand");   
        background-size: 30px 18px;
        background-repeat: no-repeat;
    }
    .name{
        margin-left: 6px;
        font-size: 16px;
        line-height: 18px;
        font-weight: bold;
    }
}
.bulletin-wrapper{
    height: 28px;
    line-height: 28px;
    padding: 0 22px 0 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
    background: rgba(7,17,27,0.2);
    //font-size: 0;//把本身存在留白像素删除掉或者把空白间隙删除掉
}
.bulletin-wrapper .bulletin-title{
    display: inline-block;
    vertical-align: top;
    margin-top:8px;//vertical-align: top;margin-top:7px;图片跟文字对其
    width: 22px;
    height: 12px;
    .bgimage("bulletin");
    background-size: 22px 12px;
    background-repeat: no-repeat;
}
.bulletin-wrapper .bulletin-text{
    vertical-align: top;//图片跟文字对齐
    margin:0 4px;
    font-size: 10px;
}
.bulletin-wrapper .icon-keyboard_arrow_right{
    position: absolute;
    font-size: 10px;
    right:12px;
    top:8px;
}
.background{
    position:absolute;
    top:0;
    left:0;
    width: 100%;
    height: 100%;
    z-index: -1;
    filter: blur(10px);//蒙层效果
    
}

//浮层部分
.detail{
    position:fixed;
    top:0;
    left: 0;
    z-index: 100;
    width: 100%;
    height: 100%;
    overflow: auto;
    background: rgba(7,17,27,0.8);
    backdrop-filter:blur(10px);//背景模糊属性,ios支持
    .star-wrapper{
        margin-top: 18px;
        padding: 2px 0;
        text-align: center;
    }
}
.detail-wrapper{
    width: 100%;
    min-height: 100%;
}
.detail-wrapper .detail-main{
    margin-top: 64px;
    padding-bottom: 64px;//必填
}
.detail-wrapper .detail-main .name{
    line-height: 16px;
    text-align: center;
    font-size: 16px;
    font-weight: 700;
}
.detail-close{
    position: relative;
    width: 32px;
    height: 32px;
    margin:-64px auto 0 auto;
    clear: both;
    font-size: 34px;
}

//优惠信息
.detail .title{
    display: flex;
    width:80%;
    margin:28px auto 24px auto;
}
.detail .title .line{
    flex:1;//1表示等分
    position: relative;
    top:-6px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}
.detail .title .text{
    padding:0 12px;
    font-weight: 700;
    font-size: 14px;
}
//优惠信息列表
.detail .supports{
    width: 80%;
    margin: 0 auto;
    .support-item{
        padding:0 12px;
        margin-bottom: 12px;
        font-size: 0;
        &:last-child{
            margin-bottom: 0;
        }
        .icon{
            display: inline-block;
            width: 16px;
            height: 16px;
            vertical-align: top;
            margin-right: 6px;
            background-size: 16px 16px;
            background-repeat: no-repeat;
            &.decrease{
                .bgimage("decrease_2");
            }
            &.discount{
                .bgimage("discount_2");
            }
            &.guarantee{
                .bgimage("guarantee_2");
            }
            &.invoice{
                .bgimage("invoice_2");
            }
            &.special{
                .bgimage("special_2");
            }
        }
        .text{
            line-height: 16px;
            font-size: 12px;
        }
    }
}
//商家公告
.detail .bulletin{
    width:80%;
    margin:0 auto;
    .content{
        padding:0 12px;
        line-height: 24px;
        font-size: 12px;
    }
}

.description{
    margin-bottom: 10px;
    line-height: 12px;
    font-size: 12px;
}
.support .icon{
    display: inline-block;
    vertical-align: top;
    width: 12px;
    height: 12px;
    margin-right: 4px;
    background-size: 12px 12px;
    background-repeat: no-repeat;
    &.decrease{
        .bgimage("decrease_1");
    }
    &.discount{
        .bgimage("discount_1");
    }
    &.guarantee{
        .bgimage("guarantee_1");
    }
    &.invoice{
        .bgimage("invoice_1");
    }
    &.special{
        .bgimage("special_1");
    }
}
.support .text{
    line-height: 12px;
    font-size: 10px;    
}
.support-count{
    position: absolute;
    right: 12px;
    bottom: 14px;
    padding: 0 8px;
    height: 24px;
    line-height: 24px;
    border-radius: 14px;
    background: rgba(0,0,0,0.2);
    text-align: center;
}
.support-count .count{
    vertical-align: top;
    font-size: 10px;
}
.support-count .icon-keyboard_arrow_right{
    margin-left: 2px;
    line-height: 24px;
    font-size: 10px;
}

//动画效果
.v-enter,.v-leave-to{
    opacity:0;
}   
.v-enter-active,.v-leave-active{
    transition:opacity .5s;
}
   

</style>
